CN106191372A - A kind of oxygen rifle rifle head - Google Patents
A kind of oxygen rifle rifle head Download PDFInfo
- Publication number
- CN106191372A CN106191372A CN201610843541.XA CN201610843541A CN106191372A CN 106191372 A CN106191372 A CN 106191372A CN 201610843541 A CN201610843541 A CN 201610843541A CN 106191372 A CN106191372 A CN 106191372A
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- CN
- China
- Prior art keywords
- oxygen
- rifle
- rifle head
- deflector
- head
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of oxygen rifle rifle head, including oxygen catheter, intermediate casing and gun body outer tube sleeve, oxygen catheter end connects a point oxygen dish, intermediate casing end connects deflector, gun body outer tube sleeve end is connected by intermediate connector rifle head end cover, rifle head end cover is provided with the jetting oxygen tube being connected with point oxygen dish, and deflector is made up of nonmetallic materials and its surface is streamlined；This deflector can reduce its water resistance being subject to, and effectively prevent the rifle head caused because there is low speeds flow region, local and burns problem；The cooling capacity of rifle head can be improved, increase the cooling uniformity of rifle head, moreover it is possible to reduce manufacture difficulty further；Comparing tradition oxygen rifle rifle head, this oxygen rifle rifle head is improving rifle head intensity of cooling, reduces rifle head end cover temperature aspect and has a clear superiority in, and the cost of raw material is lower, and this, to improving the oxygen rifle rifle head life-span, reduces rifle head cost significant.
Description
Technical field
The invention belongs to field of steel-making, be specifically related to a kind of oxygen rifle rifle head.
Background technology
In pneumatic steelmaking, oxygen spray is entered converter molten pool and carries out smelting operation, rational oxygen rifle rifle head by oxygen rifle rifle head
Design is extremely important for raising metallurgical effect, reduction smelting cost.The working environment of oxygen rifle rifle head is extremely severe, in converter
There is the extreme cases such as high temperature, intense radiant heat, molten steel and slag splashing, the service life of rifle head can be affected.As pneumatic steelmaking
Critical component, simplify oxygen rifle structure, improve the service life of rifle head, reduce smelting cost and become the urgent of smelter and be essential
Ask.
In the face of severe working environment, existing oxygen rifle rifle head mainly use the good red copper of heat conductivity and by forging or
The mode of casting manufactures, and coordinates rifle inner cooling water cooling gun head simultaneously；Although have employed the red copper that heat conductivity is good, oxygen rifle rifle
Head is still easy to damage.One of reason that rifle head damages is caused to be exactly: the design of rifle head deflector is unreasonable so that rifle head wall
, easily there is low speeds flow region, local, thus causes rifle head local to be burnt in neighbouring water velocity skewness.If rifle head water conservancy diversion
Plate is designed to streamlined, although ensure that the reasonable layout of rifle head near wall water velocity, but owing to tradition deflector is
Metal deflector, its processing, manufacture difficulty, production cost is high, it is difficult in Practical Project.
Summary of the invention
In view of this, it is an object of the invention to provide the oxygen rifle rifle head that a kind of intensity of cooling is high, production cost is low.
For reaching above-mentioned purpose, the present invention provides following technical scheme: a kind of oxygen rifle rifle head, between the most successively
Every the oxygen catheter, intermediate casing and the gun body outer tube sleeve that arrange, described oxygen catheter end connects a point oxygen dish, described intermediate casing
End connects deflector, and described gun body outer tube sleeve end is connected by intermediate connector rifle head end cover, described rifle head
End cap is provided with the jetting oxygen tube being connected with point oxygen dish, and described deflector is made up of nonmetallic materials and its surface is streamlined.
Further, described deflector is by nylon, PPSF/PPSU material, PC material, ULTEM9085 material and PC-ABS
One or more make.
Further, described deflector uses injection moulding or 3D printing to make.
Further, described deflector is inserted on intermediate casing by slot.
Further, bonding by high-temp glue between described deflector with the jetting oxygen tube through deflector.
Further, described intermediate connector is Copper steel cladding material.
Further, described intermediate connector uses compression casting to make, and copper steel joint is zigzag.
Further, described intermediate connector uses 3D printing to make.
Further, described jetting oxygen tube is additionally provided with spray oxygen protection section.
Further, described rifle head end cover outer face is provided with antiradiation coating.
The beneficial effects of the present invention is:
Deflector in this oxygen rifle rifle head is airflow design, can reduce its water resistance being subject to, make deflector wall attached
The uniformity of nearly water velocity distribution is improved, and effectively prevent the rifle head caused because there is low speeds flow region, local and burns
Wear problem；Deflector uses nonmetallic materials to make, and can not only improve the cooling capacity of rifle head, and the cooling increasing rifle head is uniform
Property, moreover it is possible to reduce manufacture difficulty further, thus realize the reduction of production cost.
Use the nonmetallic materials with features such as heat-resisting, impact resistance strong, good flame resistance, good processabilities, be both beneficial to
Realize injection moulding or 3D printing shaping, also efficiently solve material cost and manufacturing cost is higher, it is difficult to for engineering practice
Problem.Comparing tradition oxygen rifle rifle head, this oxygen rifle rifle head is improving rifle head intensity of cooling, and reducing rifle head end cover temperature aspect has bright
Aobvious advantage, and the cost of raw material is lower, this, to improving the oxygen rifle rifle head life-span, reduces rifle head cost significant.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearer, the present invention provides drawings described below to carry out
Illustrate:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is rifle head Temperature Distribution cloud atlas；
Fig. 3 is rifle head stress distribution cloud atlas；
Fig. 4 is existing deflector rifle head end cover Temperature Distribution cloud atlas；
Fig. 5 is embodiment 1 deflector rifle head end cover Temperature Distribution cloud atlas.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As it can be seen, the oxygen rifle rifle head in the present invention, including the most spaced oxygen catheter 1, intermediate sleeve
Pipe 2 and gun body outer tube sleeve 3, described oxygen catheter 1 end connects a point oxygen dish 4, and described intermediate casing 2 end connects water conservancy diversion
Plate 5, described gun body outer tube sleeve 3 end by intermediate connector 6 connect have rifle head end cover 7, described rifle head end cover 7 be provided with
The jetting oxygen tube 8 that point oxygen dish 4 is connected, described deflector 5 is made up of nonmetallic materials and its surface is streamlined.
Concrete, fairshaped deflector 5 can reduce its water resistance being subject to, and makes deflector near wall water velocity divide
The uniformity of cloth is improved, and effectively prevent the rifle head caused because there is low speeds flow region, local and burns problem；Water conservancy diversion
Plate 5 uses nonmetallic materials to make, and can not only improve the cooling capacity of rifle head, increases the cooling uniformity of rifle head, moreover it is possible to enter one
Step reduces manufacture difficulty, thus realizes the reduction of production cost.
As the further improvement of such scheme, described deflector 5 is by ruggedness nylon, PPSF/PPSU material, PC material
One or more in material, ULTEM9085 material and PC-ABS are made.This portion of material have heat-resisting, impact resistance is strong, fire-retardant
The features such as good, the good processability of property；Use injection moulding or 3D to print to make, efficiently solve material cost and manufacturing cost relatively
High, it is difficult to for the problem of engineering practice, streamlined water conservancy diversion can be realized on a large scale on the premise of not increasing oxygen rifle rifle head cost
The commercial Application of plate.
As the further improvement of such scheme, described deflector 5 is inserted on intermediate casing 2 by slot, deflector
Bonding by high-temp glue with through between the jetting oxygen tube of deflector, can effectively reduce the installation difficulty of deflector 5.For the ease of dress
Join, also deflector 5 can be divided into polylith manufacture, during assembling, each piece of deflector is respectively charged in rifle head, uses glue to each other
Bonding mode connects.
As the further improvement of such scheme, described intermediate connector 6 is Copper steel cladding material.Concrete, in the middle of this
Connector 6 can use compression casting to make, and when using compression casting, copper steel joint is zigzag；May be used without 3D and print system
Become.The extra intermediate connector 6 increased can easily realize the assembled in situ of rifle head and the body of a gun, when using intermediate connector 6 to connect,
The copper end of intermediate connector 6 welds with rifle head end cover 7, and the steel end of intermediate connector 6 welds with gun body outer tube sleeve 3.Which has
Effect solves the problem such as steel plant's scene rifle head, body of a gun copper steel heterogeneous material welding big, the poor welding quality of difficulty, greatly reduces
Rifle head and gun body Site Welding difficulty, improve bonding strength and service life.It addition, do also by by intermediate connector 6
Become different size, to solve to shorten and make what whole oxygen rifle length shortened to ask owing to changing the body of a gun that causes of rifle head during using
Topic.
As the further improvement of such scheme, described jetting oxygen tube 8 is additionally provided with spray oxygen protection section.This spray oxygen protection section can
It is the boss of straight tube for being arranged on jetting oxygen tube 8 exit and center, it is possible to be directly the straight tube being arranged on jetting oxygen tube 8 exit
Section, now straight length is integrated with rifle head end cover 7.When rifle head jetting oxygen tube 8 outlet cone section generation ablation, due to this protection section
Existence, ablation can be made to first occur at this position, effectively protect jetting oxygen tube 8 outlet cone section and exempt from scaling loss.
As the further improvement of such scheme, described rifle head end cover 7 outer face is provided with antiradiation coating.This coating can
Effectively reflection molten steel radiations heat energy, fundamentally reduces the energy that rifle head obtains, reduces rifle head temperature.
Embodiment 1 (as a example by 120T converter oxygen gun)
Oxygen rifle rifle head inner deflector operating temperature is low, and in general its operating temperature is less than 55 DEG C, deflector Temperature Distribution
See accompanying drawing 2；Oxygen rifle rifle head inner deflector stress is little, in deflector both sides by almost identical hydrostatic pressure, and its stress distribution
See accompanying drawing 3.Therefore, on the premise of meeting intensity and heat resistant requirements, metal deflector can be replaced to easy machine-shaping
Nonmetal deflector.
Conventional metals deflector is replaced to streamlined nonmetal deflector, by numerical computations, uses above-mentioned skill
The oxygen rifle rifle head end cover maximum temperature of art scheme is about 151 DEG C, and the maximum temperature 193 DEG C of more traditional oxygen rifle rifle head end cover reduces
21.7%；It is about 74 DEG C, more traditional oxygen rifle rifle head end cover average by the oxygen rifle rifle head end cover mean temperature of technique scheme
Temperature 94 DEG C reduces 21.2%；This technology rifle head and conventional gun head Temperature Distribution cloud atlas are as shown in Figure 4, Figure 5.
If deflector uses high intensity, high temperature resistant, shock resistance, resistant to bending PC material, tradition deflector uses steel material
Material, now, this technology rifle head is compared with conventional gun head: unit volume deflector raw material expense can reduce 70%-80%.
Therefore, comparing tradition oxygen rifle rifle head, this patent oxygen rifle rifle head is improving rifle head intensity of cooling, reduces rifle head end cover temperature
Degree aspect has a clear superiority in, and the cost of raw material is lower, and this is to improving the oxygen rifle rifle head life-span, and reducing rifle head cost has important meaning
Justice.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical
Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be
In form and it is made various change, without departing from claims of the present invention limited range in details.
Claims (10)
1. an oxygen rifle rifle head, including the most spaced oxygen catheter, intermediate casing and gun body outer tube sleeve, described
Oxygen catheter end connects a point oxygen dish, and described intermediate casing end connects deflector, described gun body outer tube sleeve end
Being connected by intermediate connector has rifle head end cover, described rifle head end cover to be provided with the jetting oxygen tube being connected with point oxygen dish, its feature
It is: described deflector is made up of nonmetallic materials and its surface is streamlined.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described deflector by nylon, PPSF/PPSU material,
One or more in PC material, ULTEM9085 material and PC-ABS are made.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described deflector uses injection moulding or 3D to print system
Become.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described deflector is inserted into intermediate casing by slot
On.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described deflector and through deflector jetting oxygen tube between
Bonding by high-temp glue.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described intermediate connector is Copper steel cladding material.
Oxygen rifle rifle head the most according to claim 6, it is characterised in that: described intermediate connector uses compression casting to make,
And copper steel joint is zigzag.
Oxygen rifle rifle head the most according to claim 6, it is characterised in that: described intermediate connector uses 3D to print and makes.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: it is additionally provided with spray oxygen protection section on described jetting oxygen tube.
Oxygen rifle rifle head the most according to claim 1, it is characterised in that: described rifle head end cover outer face is provided with antiradiation
Coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843541.XA CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843541.XA CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106191372A true CN106191372A (en) | 2016-12-07 |
| CN106191372B CN106191372B (en) | 2018-05-11 |
Family
ID=58068166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610843541.XA Active CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106191372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295276A (en) * | 2018-10-24 | 2019-02-01 | 周贵英 | Efficient combined-type forges and presses oxygen lance nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775067Y (en) * | 2005-04-01 | 2006-04-26 | 高士乐 | Combined welding type oxygen gun blow head |
| CN2869598Y (en) * | 2006-02-24 | 2007-02-14 | 刘延春 | Vacuum-pressure casted oxygen gun nozzle |
| CN202542467U (en) * | 2012-03-29 | 2012-11-21 | 苏州中德机电装备有限公司 | Cooling tunnel |
| CN105689906A (en) * | 2016-05-03 | 2016-06-22 | 重庆耐德能源装备集成有限公司 | Method for welding materials with different welding characteristics |
| CN206033789U (en) * | 2016-09-22 | 2017-03-22 | 中冶赛迪工程技术股份有限公司 | Oxygen rifle head |
-
2016
- 2016-09-22 CN CN201610843541.XA patent/CN106191372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775067Y (en) * | 2005-04-01 | 2006-04-26 | 高士乐 | Combined welding type oxygen gun blow head |
| CN2869598Y (en) * | 2006-02-24 | 2007-02-14 | 刘延春 | Vacuum-pressure casted oxygen gun nozzle |
| CN202542467U (en) * | 2012-03-29 | 2012-11-21 | 苏州中德机电装备有限公司 | Cooling tunnel |
| CN105689906A (en) * | 2016-05-03 | 2016-06-22 | 重庆耐德能源装备集成有限公司 | Method for welding materials with different welding characteristics |
| CN206033789U (en) * | 2016-09-22 | 2017-03-22 | 中冶赛迪工程技术股份有限公司 | Oxygen rifle head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295276A (en) * | 2018-10-24 | 2019-02-01 | 周贵英 | Efficient combined-type forges and presses oxygen lance nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106191372B (en) | 2018-05-11 |
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